/* Premium Forum Styles - Apply to all forum pages */
/* Note: Base theme variables (--bg-primary, --text-primary, etc.) are defined in themes.css */
/* These are forum-specific shorthand aliases that map to themes.css values */

/* Forum Premium Color Aliases - inherit from themes.css */
:root {
    --primary: var(--primary-color);
    --secondary: var(--primary-hover);
    --accent: var(--primary-hover);

    --bg-base: var(--bg-primary);
    --bg-elevated: var(--bg-secondary);
    --bg-card: var(--bg-secondary);

    --border: rgba(var(--primary-rgb), 0.15);
    --border-hover: rgba(var(--primary-rgb), 0.3);

    --shadow-glow: 0 0 40px rgba(var(--primary-rgb), 0.2);
}

:root[data-theme="light"] {
    --border: rgba(var(--primary-rgb), 0.2);
    --border-hover: rgba(var(--primary-rgb), 0.4);
    --shadow-glow: 0 0 40px rgba(var(--primary-rgb), 0.1);
}

/* Body overflow control for forum pages (base styles in themes.css) */
body {
    overflow-x: hidden;
}

/* Animated Background */
.bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at top, rgba(var(--primary-rgb), 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at bottom, rgba(var(--primary-rgb), 0.08) 0%, transparent 60%);
}

/* CSS-only particles — zero JS, ~1KB */
.css-particles {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}
.css-particles span {
    position: absolute;
    border-radius: 50%;
    opacity: 0;
    animation: cssFloat linear infinite;
}
.css-particles span:nth-child(1)  { width:4px; height:4px; left:10%; background:var(--primary-color); animation-duration:18s; animation-delay:0s; }
.css-particles span:nth-child(2)  { width:3px; height:3px; left:25%; background:var(--primary-hover); animation-duration:22s; animation-delay:2s; }
.css-particles span:nth-child(3)  { width:5px; height:5px; left:40%; background:var(--primary-color); animation-duration:16s; animation-delay:4s; }
.css-particles span:nth-child(4)  { width:3px; height:3px; left:55%; background:var(--primary-color); animation-duration:20s; animation-delay:1s; }
.css-particles span:nth-child(5)  { width:4px; height:4px; left:70%; background:var(--primary-hover); animation-duration:24s; animation-delay:3s; }
.css-particles span:nth-child(6)  { width:2px; height:2px; left:85%; background:var(--primary-color); animation-duration:19s; animation-delay:5s; }
.css-particles span:nth-child(7)  { width:5px; height:5px; left:15%; background:var(--primary-color); animation-duration:21s; animation-delay:7s; }
.css-particles span:nth-child(8)  { width:3px; height:3px; left:50%; background:var(--primary-hover); animation-duration:17s; animation-delay:0s; }
.css-particles span:nth-child(9)  { width:4px; height:4px; left:65%; background:var(--primary-color); animation-duration:23s; animation-delay:6s; }
.css-particles span:nth-child(10) { width:2px; height:2px; left:35%; background:var(--primary-color); animation-duration:25s; animation-delay:8s; }
.css-particles span:nth-child(11) { width:3px; height:3px; left:80%; background:var(--primary-hover); animation-duration:20s; animation-delay:4s; }
.css-particles span:nth-child(12) { width:4px; height:4px; left:5%;  background:var(--primary-color); animation-duration:18s; animation-delay:9s; }
@keyframes cssFloat {
    0%   { bottom: -5%; opacity: 0; transform: translateX(0) scale(0.5); }
    10%  { opacity: 0.3; }
    50%  { opacity: 0.15; transform: translateX(40px) scale(1); }
    90%  { opacity: 0.25; }
    100% { bottom: 105%; opacity: 0; transform: translateX(-20px) scale(0.5); }
}

.content-wrapper {
    position: relative;
    z-index: 2;
    padding: 2rem 0;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Breadcrumbs */
.breadcrumb-custom {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.875rem;
}
.breadcrumb-custom a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.2s ease;
}
.breadcrumb-custom a:hover { opacity: 0.8; }
.breadcrumb-sep {
    color: var(--text-muted);
    font-size: 0.65rem;
    opacity: 0.5;
}
.breadcrumb-current {
    color: var(--text-secondary);
    font-weight: 500;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.breadcrumb {
    margin: 0;
    padding: 0;
    background: none;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb-item a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.breadcrumb-item a:hover {
    color: var(--accent);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '›';
    color: var(--text-muted);
    font-size: 1.2rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-hover));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 200%; }
}

@keyframes slideInDown {
    0% {
        opacity: 0;
        transform: translateY(-30px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-8px); }
    20%, 40%, 60%, 80% { transform: translateX(8px); }
}

.page-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Cards */
.card-premium {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
}

.card-premium:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

/* Buttons */
.btn-premium {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4);
}

.btn-premium:active {
    transform: translateY(0);
}

.btn-premium-sm {
    padding: 7px 16px;
    font-size: 0.825rem;
    border-radius: 8px;
    box-shadow: none;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 500;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.25s ease;
}
.btn-premium-sm:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.06);
    transform: none;
}

.btn-secondary-premium {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    padding: 12px 30px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary-premium:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* Form Elements */
.form-control-premium {
    background: var(--bg-elevated);
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 15px 20px;
    color: var(--text-primary);
    font-size: 1rem;
    width: 100%;
    transition: all 0.3s ease;
}

.form-control-premium:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2);
}

.form-control-premium::placeholder {
    color: var(--text-muted);
}

/* Tables */
.table-premium {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.table-premium thead {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--primary-rgb), 0.1));
}

.table-premium th {
    padding: 20px;
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
}

.table-premium td {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.table-premium tr:hover {
    background: var(--bg-hover);
}

/* Alerts */
.alert-premium {
    padding: 20px 25px;
    border-radius: 16px;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    animation: slideInDown 0.5s ease-out;
}

.alert-premium i {
    font-size: 1.5rem;
}

/* Alert Sticky (pentru rate limiting și erori importante) */
.alert-premium.sticky {
    position: sticky;
    top: 80px;
    z-index: 100;
    animation: slideInDown 0.5s ease-out, shake 0.6s ease-in-out 0.5s;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.alert-success-premium {
    background: rgba(16, 185, 129, 0.15);
    border: 2px solid rgba(16, 185, 129, 0.3);
    color: var(--success);
}

.alert-danger-premium {
    background: rgba(239, 68, 68, 0.15);
    border: 2px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
}

.alert-warning-premium {
    background: rgba(245, 158, 11, 0.15);
    border: 2px solid rgba(245, 158, 11, 0.3);
    color: var(--warning);
}

.alert-info-premium {
    background: rgba(var(--primary-rgb), 0.15);
    border: 2px solid rgba(var(--primary-rgb), 0.3);
    color: var(--info);
}

/* Badges */
.badge-premium {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    background: rgba(var(--primary-rgb), 0.15);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.3);
}

/* Loading Animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-elevated);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
}

/* ============================================
   FORUM INDEX PAGE - Hero, Stats, Categories, etc.
   (Moved from index.php inline styles)
   ============================================ */

/* Hero Section */
.forum-hero {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.15), rgba(var(--primary-rgb), 0.15));
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 2.5rem 2rem;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.forum-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.forum-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.forum-hero p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0;
    position: relative;
    z-index: 1;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 1.75rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.stat-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--primary-rgb), 0.2));
    border-radius: 1rem;
    font-size: 1.75rem;
    color: var(--primary);
    transition: all 0.3s;
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.4);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Category Card */
.category-wrapper {
    margin-bottom: 2rem;
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s;
}

.category-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg);
}

.category-header {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.1), rgba(var(--primary-rgb), 0.1));
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.category-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    background-size: 200% 100%;
    animation: shimmerBg 3s linear infinite;
}

@keyframes shimmerBg {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.category-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.875rem;
    font-size: 1.25rem;
    color: white;
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.4);
}

.category-desc {
    color: var(--text-secondary);
    margin: 0.75rem 0 0;
    font-size: 0.9375rem;
}

/* Board Item */
.board-list {
    padding: 0;
}

.board-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.75rem 2rem;
    border-bottom: 1px solid var(--border);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.board-item:last-child {
    border-bottom: none;
}

.board-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.board-item:hover {
    background: rgba(var(--primary-rgb), 0.04);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(var(--primary-rgb), 0.06) inset;
}

.board-item:hover::before {
    opacity: 1;
}

.board-icon-wrapper {
    width: 56px;
    height: 56px;
    min-width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--primary-rgb), 0.2));
    border: 1px solid var(--border);
    border-radius: 1rem;
    font-size: 1.5rem;
    color: var(--primary);
    transition: all 0.3s;
}

.board-item:hover .board-icon-wrapper {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
}

.board-main {
    flex: 1;
    min-width: 0;
}

.board-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.board-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.board-title a:hover {
    color: var(--primary);
}

.board-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    line-height: 1.5;
}

.board-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.meta-item i {
    color: var(--primary);
    font-size: 0.875rem;
}

.board-last {
    text-align: right;
    min-width: 200px;
}

.last-topic {
    font-size: 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.last-topic:hover {
    color: var(--primary);
}

.last-meta {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.last-meta a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s;
}

.last-meta a:hover {
    color: var(--accent);
}

/* Online Users Box */
.online-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 1.25rem;
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.online-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.online-title i {
    color: var(--success);
    animation: pulse 2s ease-in-out infinite;
}

.online-count {
    font-size: 0.875rem;
    font-weight: normal;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.users-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.user-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid var(--border);
    border-radius: 2rem;
    font-size: 0.875rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s;
}

.user-badge i {
    color: var(--success);
    font-size: 0.625rem;
}

.user-badge:hover {
    background: rgba(var(--primary-rgb), 0.2);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.25);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    color: var(--text-muted);
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-text {
    color: var(--text-muted);
}

/* Recent Topics Section */
.recent-topics-list {
    padding: 0;
}

.recent-topic-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.recent-topic-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}

.recent-topic-item:last-child {
    border-bottom: none;
}

.recent-topic-item:hover {
    background: rgba(var(--primary-rgb), 0.04);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.recent-topic-item:hover::before {
    opacity: 1;
}

.topic-icon-wrapper {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--primary-rgb), 0.2));
    border: 1px solid var(--border);
    border-radius: 1rem;
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.recent-topic-item:hover .topic-icon-wrapper {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.3);
    border-color: rgba(var(--primary-rgb), 0.3);
}

.topic-main {
    flex: 1;
    min-width: 0;
}

.topic-title-recent {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
}

.topic-title-recent a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.topic-title-recent a:hover {
    color: var(--primary);
}

.topic-meta-recent {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.topic-meta-recent .meta-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.topic-meta-recent a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.topic-meta-recent a:hover {
    color: var(--primary);
}

.topic-last-reply {
    text-align: right;
    flex-shrink: 0;
    min-width: 140px;
}

.last-reply-user {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.last-reply-user a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.last-reply-user a:hover {
    color: var(--primary);
}

.last-reply-time {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Page Link (pagination) */
.page-link-custom {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.page-link-custom:hover {
    background: rgba(var(--primary-rgb), 0.15);
    border-color: var(--primary);
    color: var(--primary);
}

.page-link-custom.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    color: white;
}

/* Ripple animation (used by JS) */
@keyframes ripple {
    to {
        transform: scale(15);
        opacity: 0;
    }
}

/* Book UI classes removed — classic layout */


/* ============================
   NEW TOPIC PAGE STYLES
   ============================ */
.form-container, .forum-new-topic .card {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(var(--primary-rgb), 0.05) 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 50px;
    margin: 40px 0;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    backdrop-filter: blur(10px);
    transition: all 0.4s ease;
    animation: forumSlideUp 0.6s ease-out;
}

.form-container:hover, .forum-new-topic .card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-lg), 0 0 60px rgba(var(--primary-rgb), 0.3);
    transform: translateY(-2px);
}

@keyframes forumSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.form-subtitle {
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

.forum-new-topic .form-label {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: block;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.forum-new-topic .form-control {
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid var(--border);
    color: var(--text-primary);
    padding: 14px 18px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
}

.forum-new-topic .form-control::placeholder {
    color: var(--text-muted);
}

.forum-new-topic .form-control:focus {
    background: rgba(15, 23, 42, 0.95);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.3);
    outline: none;
}

.forum-new-topic textarea.form-control {
    resize: vertical;
    min-height: 200px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.95rem;
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    padding: 14px 40px;
    border-radius: 12px;
    font-weight: 700;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.5);
}

.btn-primary-custom:active {
    transform: translateY(0);
}

.btn-secondary-custom {
    background: rgba(var(--primary-rgb), 0.1);
    border: 2px solid var(--border);
    padding: 12px 30px;
    border-radius: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-secondary-custom:hover {
    background: rgba(var(--primary-rgb), 0.2);
    border-color: var(--primary);
    color: var(--text-primary);
}

/* Forum Alert Styles */
.forum-new-topic .alert {
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 24px;
    border: 2px solid;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: forumSlideDown 0.4s ease-out;
}

@keyframes forumSlideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.forum-new-topic .alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.forum-new-topic .alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.forum-new-topic .alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.forum-new-topic .alert-info {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
    color: var(--primary);
}

/* Guidelines Section */
.guidelines {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08) 0%, rgba(var(--primary-rgb), 0.05) 100%);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 24px;
    margin-top: 40px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.guidelines:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.15);
}

.guidelines h5 {
    color: var(--primary);
    margin-bottom: 16px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 10px;
}

.guidelines ul {
    padding-left: 24px;
    color: var(--text-secondary);
}

.guidelines li {
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

.guidelines li:hover {
    color: var(--text-primary);
}

/* Tags Autocomplete */
.autocomplete-dropdown {
    position: absolute;
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: 12px;
    max-height: 250px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    display: none;
    margin-top: -15px;
    width: calc(100% - 30px);
    animation: forumSlideDown 0.3s ease-out;
}

.autocomplete-item {
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.1);
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover {
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--primary-rgb), 0.1));
    color: var(--primary);
    padding-left: 20px;
}

/* Page Header (new-topic) */
.forum-new-topic .page-header {
    text-align: center;
    margin-bottom: 30px;
}

.forum-new-topic .page-header h1 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

@media (max-width: 768px) {
    .form-container {
        padding: 30px;
    }
    .form-title {
        font-size: 1.8rem;
    }
    .forum-new-topic .container-main {
        padding: 30px 15px;
    }
    .btn-primary-custom, .btn-secondary-custom {
        width: 100%;
    }
}

/* ============================
   SEARCH PAGE STYLES
   ============================ */
.search-header {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    margin: 30px 0;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
}

.search-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.search-box { max-width: 700px; margin: 0 auto; position: relative; }
.search-input { width: 100%; padding: 18px 60px 18px 20px; background: var(--bg-tertiary); border: 2px solid var(--border-color); border-radius: 50px; color: var(--text-primary); font-size: 1rem; transition: all 0.3s ease; }
.search-input:focus { border-color: var(--primary-color); box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.2); outline: none; }
.search-btn { position: absolute; right: 5px; top: 5px; padding: 13px 30px; background: linear-gradient(135deg, var(--primary-color), var(--primary-hover)); border: none; border-radius: 50px; color: white; font-weight: 600; cursor: pointer; }

.filter-tabs { display: flex; justify-content: center; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.filter-tab { padding: 10px 20px; background: var(--bg-tertiary); border: 1px solid var(--border-color); border-radius: 10px; color: var(--text-secondary); text-decoration: none; transition: all 0.3s ease; }
.filter-tab:hover, .filter-tab.active { background: var(--primary-color); color: white; border-color: var(--primary-color); }

.results-summary { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; padding: 15px 20px; margin: 20px 0; }

.result-section { margin-bottom: 40px; }
.section-title { font-size: 1.3rem; font-weight: 700; margin-bottom: 20px; color: var(--text-primary); display: flex; align-items: center; gap: 10px; }

.result-item { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; padding: 20px; margin-bottom: 15px; transition: all 0.3s ease; }
.result-item:hover { border-color: var(--primary-color); box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.2); transform: translateX(5px); }
.result-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.result-title a { color: var(--text-primary); text-decoration: none; }
.result-title a:hover { color: var(--primary-color); }
.result-snippet { color: var(--text-secondary); margin-bottom: 10px; line-height: 1.6; }
.result-meta { font-size: 0.85rem; color: var(--text-secondary); display: flex; gap: 15px; flex-wrap: wrap; }

.highlight { background: rgba(var(--primary-rgb), 0.3); color: var(--primary-color); padding: 2px 4px; border-radius: 4px; font-weight: 600; }

.no-results { text-align: center; padding: 60px 20px; }
.no-results i { font-size: 4rem; color: var(--text-secondary); margin-bottom: 20px; opacity: 0.3; }

/* ============================================
   FORUM CLASSIC LAYOUT — Modern Redesign
   ============================================ */

/* ── 2-Column Layout Grid ── */
.forum-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    align-items: start;
}
.forum-content { min-width: 0; }
.forum-sidebar { display: flex; flex-direction: column; gap: 16px; }
/* Keep cards at natural height: without this, flex-shrink squashes them inside the
   sticky max-height sidebar and overflow:hidden clips their content. Sidebar scrolls instead. */
.forum-sidebar > * { flex-shrink: 0; }

/* ── Forum Toolbar ── */
.forum-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.forum-toolbar-search {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    position: relative;
}
.forum-toolbar-search input {
    width: 100%;
    padding: 10px 40px 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.25s ease;
}
.forum-toolbar-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
.forum-toolbar-search button {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 8px;
    cursor: pointer;
}
.forum-toolbar-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}
.forum-toolbar-actions a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border: 1px solid var(--border);
    background: var(--bg-card);
    transition: all 0.25s ease;
}
.forum-toolbar-actions a:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.05);
}
.forum-toolbar-actions a i { font-size: 0.9rem; }

/* ── Sidebar Card ── */
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}
.sidebar-card__title {
    padding: 14px 16px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-card__title i {
    color: var(--primary);
    font-size: 0.9rem;
}
.sidebar-card__body {
    padding: 14px 16px;
}

/* ── Topic Row (board view) ── */
.topic-list { display: flex; flex-direction: column; gap: 2px; }

.topic-row {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
    cursor: pointer;
}
.topic-row:hover {
    border-color: var(--border-hover);
    background: rgba(var(--primary-rgb), 0.03);
    transform: translateX(2px);
}
.topic-row--pinned {
    border-left: 3px solid var(--primary);
    background: rgba(var(--primary-rgb), 0.03);
}
.topic-row--solved { border-left: 3px solid var(--success); }
.topic-row--locked { opacity: 0.65; }

.topic-row__icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(var(--primary-rgb), 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
    font-size: 1rem;
}
.topic-row--pinned .topic-row__icon { background: rgba(var(--primary-rgb), 0.15); }
.topic-row--solved .topic-row__icon { background: rgba(34, 197, 94, 0.1); color: var(--success); }

.topic-row__main { flex: 1; min-width: 0; }
.topic-row__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.topic-row:hover .topic-row__title { color: var(--primary); }

.topic-row__meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    gap: 10px;
    align-items: center;
}
.topic-row__meta span { display: inline-flex; align-items: center; gap: 3px; }
.topic-row__meta a { color: var(--primary); text-decoration: none; font-weight: 500; }

.topic-row__stats {
    display: flex;
    gap: 16px;
    flex-shrink: 0;
    text-align: center;
}
.topic-row__stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 48px;
}
.topic-row__stat-num {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.topic-row__stat-label {
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.topic-row__latest {
    flex-shrink: 0;
    text-align: right;
    min-width: 100px;
}
.topic-row__latest-user {
    font-size: 0.8rem;
    color: var(--text-primary);
    font-weight: 500;
}
.topic-row__latest-user a { color: var(--primary); text-decoration: none; }
.topic-row__latest-time {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── Filter Bar (board view) ── */
.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.filter-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}
.filter-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.filter-pill--active {
    background: rgba(var(--primary-rgb), 0.12);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}
.sort-select {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    cursor: pointer;
}
.sort-select:focus { outline: none; border-color: var(--primary); }

/* ── Post Card (topic view) ── */
.post-list { display: flex; flex-direction: column; gap: 12px; }

.post-card {
    display: flex;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    transition: border-color 0.2s ease;
}
.post-card:hover { border-color: var(--border-hover); }
.post-card--best {
    border-left: 3px solid var(--success);
    background: rgba(34, 197, 94, 0.03);
}
.post-card--op { border-left: 3px solid var(--primary); }

.post-card__sidebar {
    flex-shrink: 0;
    width: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
}
.post-card__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 2px 8px rgba(var(--primary-rgb), 0.25);
    overflow: hidden;
}
.post-card__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.post-card__username {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}
.post-card__username a { color: var(--primary); text-decoration: none; }
.post-card__role {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.post-card__role--admin { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.post-card__role--mod { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.post-card__user-stats {
    font-size: 0.7rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.post-card__content { flex: 1; min-width: 0; }
.post-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.06);
}
.post-card__date {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}
.post-card__number {
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.6;
}
.post-card__body {
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--text-primary);
    word-wrap: break-word;
}
.post-card__body blockquote {
    border-left: 3px solid var(--primary);
    padding: 10px 14px;
    margin: 12px 0;
    background: rgba(var(--primary-rgb), 0.04);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-secondary);
}
.post-card__footer {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    padding-top: 10px;
    border-top: 1px solid rgba(var(--primary-rgb), 0.06);
    flex-wrap: wrap;
}

/* ── Post Action Buttons ── */
.post-action {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}
.post-action:hover {
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--text-primary);
    border-color: var(--border);
}
.post-action--liked {
    color: var(--success);
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
}
.post-action--disliked {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}
.post-action--best {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.2);
}
.post-action--report { margin-left: auto; }
.post-action--report:hover { color: var(--danger); background: rgba(239, 68, 68, 0.08); }

/* ── Reaction Bar ── */
.reaction-bar {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    flex-wrap: wrap;
}
.reaction-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    background: rgba(var(--primary-rgb), 0.06);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.2s ease;
}
.reaction-chip:hover {
    border-color: var(--primary);
    background: rgba(var(--primary-rgb), 0.12);
    transform: scale(1.05);
}
.reaction-chip__emoji { font-size: 0.9rem; }
.reaction-chip__count { font-weight: 600; color: var(--text-secondary); }

.reaction-picker {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    z-index: 100;
}
.reaction-picker.show { display: flex; gap: 4px; }
.reaction-emoji {
    font-size: 1.3rem;
    padding: 4px 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    background: none;
}
.reaction-emoji:hover {
    background: rgba(var(--primary-rgb), 0.12);
    transform: scale(1.2);
}

/* ── Reply Section ── */
.reply-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
}
.reply-section__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.reply-textarea {
    width: 100%;
    min-height: 120px;
    padding: 14px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.6;
    resize: vertical;
    transition: border-color 0.25s ease;
}
.reply-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}
.reply-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}
.reply-captcha {
    display: flex;
    align-items: center;
    gap: 10px;
}
.reply-captcha img {
    height: 38px;
    border-radius: 6px;
    border: 1px solid var(--border);
}
.reply-captcha input {
    width: 100px;
    padding: 8px 12px;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.85rem;
}

/* ── Topic Header (standalone topic.php) ── */
.topic-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.topic-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 10px;
}
.topic-info-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.topic-info-bar span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.topic-info-bar a { color: var(--primary); text-decoration: none; font-weight: 500; }
.topic-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.tag-badge {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}
.tag-badge:hover {
    background: rgba(var(--primary-rgb), 0.18);
    border-color: var(--primary);
}
.topic-actions-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.action-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 500;
    transition: all 0.25s ease;
}
.action-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.06);
}
.action-pill.active {
    background: rgba(var(--primary-rgb), 0.12);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 600;
}

/* ── Solved Badge ── */
.solved-badge {
    color: var(--success);
    font-weight: 600;
    background: rgba(34, 197, 94, 0.1);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
}

/* ── New Topic Button ── */
.btn-new-topic {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 0.875rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 2px 10px rgba(var(--primary-rgb), 0.3);
}
.btn-new-topic:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.4);
    color: white;
}

/* ── Toolbar search icon (form-based) ── */
.forum-toolbar-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}
.forum-toolbar-search input {
    padding-left: 38px;
}

/* ── Pagination Bar ── */
.pagination-bar {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.pagination-dots {
    color: var(--text-secondary);
    padding: 10px 4px;
}

/* ── Online Users Sidebar ── */
.online-users-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1px;
    max-height: 260px;
    overflow-y: auto;
    margin: 0 -6px;
    padding: 0 6px;
}
.online-users-sidebar::-webkit-scrollbar { width: 4px; }
.online-users-sidebar::-webkit-scrollbar-track { background: transparent; }
.online-users-sidebar::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.2);
    border-radius: 2px;
}
.online-user-chip {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 9px;
    border-radius: 8px;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
    background: transparent;
    border: 0;
    text-decoration: none;
    transition: background 0.15s ease;
}
.online-user-chip:hover {
    background: rgba(var(--primary-rgb), 0.08);
    color: var(--text-primary);
}
.online-user-chip span {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.online-user-chip i {
    font-size: 0.5rem;
    color: var(--success);
    flex-shrink: 0;
    filter: drop-shadow(0 0 3px rgba(34, 197, 94, 0.5));
}
.online-user-chip--me { background: rgba(var(--primary-rgb), 0.12); }
.ou-you {
    margin-left: auto;
    flex-shrink: 0;
    font-size: 0.62rem;
    font-weight: 700;
    font-style: normal;
    letter-spacing: 0.5px;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.18);
    padding: 2px 7px;
    border-radius: 20px;
}
.newest-member-info {
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ── Sidebar Stats ── */
.sidebar-stats {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.sidebar-stat-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.06);
    font-size: 0.85rem;
}
.sidebar-stat-row:last-child { border-bottom: none; }
.sidebar-stat-row span {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}
.sidebar-stat-row strong {
    color: var(--text-primary);
    font-weight: 700;
}

/* ── Sidebar Links ── */
.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
}
.sidebar-link:hover {
    background: rgba(var(--primary-rgb), 0.06);
    color: var(--primary);
}
.sidebar-link i {
    width: 18px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--primary);
    opacity: 0.7;
}
.sidebar-link .badge-premium {
    margin-left: auto;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--primary);
    color: white;
    font-weight: 600;
}

/* ── Category Description (inline) ── */
.category-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: auto;
}

/* ── Forum Modal (Professional Glassmorphism) ── */
.forum-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: forumModalFadeIn 0.25s ease-out;
}
@keyframes forumModalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes forumModalSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.forum-modal__backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.forum-modal__box {
    position: relative;
    background: linear-gradient(145deg, var(--bg-card) 0%, rgba(var(--primary-rgb), 0.03) 100%);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px;
    width: 100%;
    max-width: 520px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 1px 0 rgba(255, 255, 255, 0.06) inset;
    animation: forumModalSlideUp 0.3s ease-out;
}
.forum-modal__box::-webkit-scrollbar { width: 6px; }
.forum-modal__box::-webkit-scrollbar-track { background: transparent; }
.forum-modal__box::-webkit-scrollbar-thumb {
    background: rgba(var(--primary-rgb), 0.2);
    border-radius: 3px;
}
.forum-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}
.forum-modal__header h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}
/* Close button — glassmorphism rounded square (matches unified modal) */
.forum-modal__close {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(var(--primary-rgb), 0.04);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    font-size: 0;
    color: transparent;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}
.forum-modal__close::before,
.forum-modal__close::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 1.5px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.5;
}
.forum-modal__close::before { transform: rotate(45deg); }
.forum-modal__close::after { transform: rotate(-45deg); }
.forum-modal__close:hover {
    background: rgba(var(--primary-rgb), 0.1);
    border-color: var(--primary);
    transform: rotate(90deg);
}
.forum-modal__close:hover::before,
.forum-modal__close:hover::after {
    opacity: 1;
    background: var(--primary);
}
/* Modal form elements */
.forum-modal__box label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}
.forum-modal__box .sort-select {
    padding: 10px 14px;
}
.forum-modal__field {
    margin-bottom: 16px;
}
.forum-modal__actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.forum-modal__btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 10px;
    border: none;
    background: linear-gradient(135deg, var(--danger), var(--danger));
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 2px 10px rgba(239, 68, 68, 0.3);
}
.forum-modal__btn-danger:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(239, 68, 68, 0.4);
}

/* Light theme overrides */
:root[data-theme="light"] .forum-modal__backdrop {
    background: rgba(0, 0, 0, 0.35);
}
:root[data-theme="light"] .forum-modal__box {
    background: linear-gradient(145deg, var(--bg-primary) 0%, rgba(var(--primary-rgb), 0.03) 100%);
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05) inset;
}
:root[data-theme="light"] .forum-modal__close {
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.1);
}
:root[data-theme="light"] .forum-modal__close::before,
:root[data-theme="light"] .forum-modal__close::after {
    background: var(--text-primary);
}
:root[data-theme="light"] .forum-modal__close:hover {
    background: rgba(var(--primary-rgb), 0.08);
    border-color: var(--primary);
}
:root[data-theme="light"] .forum-modal__close:hover::before,
:root[data-theme="light"] .forum-modal__close:hover::after {
    background: var(--primary);
}

/* ── Sidebar Search Wrap ── */
.sidebar-search-wrap input {
    width: 100%;
    padding: 8px 12px;
    font-size: 0.85rem;
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
}
.sidebar-search-wrap input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ============================================
   FORUM CLASSIC — RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .forum-layout {
        grid-template-columns: 1fr;
    }
    .forum-sidebar {
        order: 2;
    }
}

@media (max-width: 768px) {
    .topic-row {
        flex-wrap: wrap;
        gap: 10px;
    }
    .topic-row__stats { display: none; }
    .topic-row__latest { display: none; }

    /* Recent topics — hide last reply column */
    .topic-last-reply { display: none; }
    .recent-topic-item { gap: 1rem; }

    /* Board item — hide last topic column */
    .board-last { display: none; }

    .post-card {
        flex-direction: column;
        gap: 12px;
    }
    .post-card__sidebar {
        width: 100%;
        flex-direction: row;
        gap: 10px;
        justify-content: flex-start;
    }
    .post-card__avatar { width: 40px; height: 40px; font-size: 0.9rem; }

    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-pills { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }

    .forum-toolbar { flex-direction: column; }
    .forum-toolbar-search { max-width: none; }

    .topic-title { font-size: 1.2rem; }
    .topic-info-bar { font-size: 0.75rem; gap: 8px; }

    /* Category desc — hide on tablets */
    .category-desc { display: none; }
}

@media (max-width: 480px) {
    .topic-row { padding: 12px; }
    .topic-row__icon { width: 34px; height: 34px; font-size: 0.85rem; }
    .post-card { padding: 14px; }
    .reply-section { padding: 14px; }
    .reply-footer { flex-direction: column; align-items: stretch; }
}


/* ============================================
   PROFESSIONAL POLISH ENHANCEMENTS
   ============================================ */

/* ── Global Smooth Scroll & Selection ── */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

::selection {
    background: rgba(var(--primary-rgb), 0.25);
    color: var(--text-primary);
}

::-moz-selection {
    background: rgba(var(--primary-rgb), 0.25);
    color: var(--text-primary);
}

/* Note: user-select: none is applied globally on body in style.css */
/* Note: user-select: text whitelist is also in style.css */

/* ── Focus-Visible States (accessibility + pro look) ── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
.topic-row:focus-visible,
.filter-pill:focus-visible,
.action-pill:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 8px;
}

/* ── Sticky Sidebar ── */
@media (min-width: 1025px) {
    .forum-sidebar {
        position: sticky;
        top: 90px;
        max-height: calc(100vh - 110px);
        overflow-y: auto;
    }
    .forum-sidebar::-webkit-scrollbar { width: 4px; }
    .forum-sidebar::-webkit-scrollbar-track { background: transparent; }
    .forum-sidebar::-webkit-scrollbar-thumb {
        background: rgba(var(--primary-rgb), 0.15);
        border-radius: 2px;
    }
}

/* ── Category Card Hover Glow ── */
.category-card {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.category-card:hover {
    box-shadow: var(--shadow-lg), 0 0 30px rgba(var(--primary-rgb), 0.08);
}

/* ── Category Header Icon Pulse ── */
.category-header h2,
.category-title {
    position: relative;
}
.category-header i,
.category-icon {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.category-card:hover .category-header i,
.category-card:hover .category-icon {
    transform: scale(1.08);
    filter: drop-shadow(0 0 6px rgba(var(--primary-rgb), 0.4));
}

/* ── Board Item Enhanced Hover ── */
.board-item {
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.board-item:hover {
    transform: translateX(6px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(var(--primary-rgb), 0.08) inset;
}

/* ── Stat Card Counter Glow ── */
.stat-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.stat-card:hover .stat-number {
    filter: drop-shadow(0 0 12px rgba(var(--primary-rgb), 0.5));
    transform: scale(1.05);
    transition: all 0.3s ease;
}
.stat-number {
    transition: all 0.3s ease;
    display: inline-block;
}

/* ── Topic Row Enhanced Interactions ── */
.topic-row {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.topic-row::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--primary), var(--accent));
    opacity: 0;
    transform: scaleY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.topic-row:hover::before {
    opacity: 1;
    transform: scaleY(1);
}
.topic-row:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}
.topic-row--pinned::before {
    opacity: 1;
    transform: scaleY(1);
    background: var(--primary);
}
.topic-row--solved::before {
    opacity: 1;
    transform: scaleY(1);
    background: var(--success);
}
.topic-row__icon {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.topic-row:hover .topic-row__icon {
    transform: scale(1.1) rotate(-3deg);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.2);
}

/* ── Post Card Enhanced ── */
.post-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.post-card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}
.post-card--best {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.08);
}
.post-card--best::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--success), var(--success), transparent);
    border-radius: 12px 12px 0 0;
}

/* ── Post Card Avatar Hover ── */
.post-card__avatar {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.post-card:hover .post-card__avatar {
    transform: scale(1.06);
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.35);
}
.post-card__username a {
    transition: all 0.2s ease;
}
.post-card__username a:hover {
    text-shadow: 0 0 12px rgba(var(--primary-rgb), 0.3);
}

/* ── Post Action Button Press Effect ── */
.post-action {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.post-action:active {
    transform: scale(0.93);
}

/* ── Blockquote Enhancement (topic body) ── */
.post-card__body blockquote {
    position: relative;
    border-left: 3px solid var(--primary);
    padding: 14px 18px;
    margin: 16px 0;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.04), rgba(var(--primary-rgb), 0.01));
    border-radius: 0 10px 10px 0;
    font-style: italic;
    color: var(--text-secondary);
}
.post-card__body blockquote::before {
    content: '\201C';
    position: absolute;
    top: -8px;
    left: 10px;
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.15;
    font-family: Georgia, serif;
    line-height: 1;
}

/* ── Code Blocks in Posts ── */
.post-card__body code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: 0.85em;
    padding: 2px 7px;
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.12);
    border-radius: 5px;
    color: var(--accent);
}
.post-card__body pre {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    overflow-x: auto;
    margin: 16px 0;
    font-size: 0.85rem;
    line-height: 1.6;
}
.post-card__body pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-primary);
}
:root[data-theme="light"] .post-card__body pre {
    background: rgba(0, 0, 0, 0.04);
}

/* ── Links in Posts ── */
.post-card__body a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px solid rgba(var(--primary-rgb), 0.3);
    transition: all 0.2s ease;
}
.post-card__body a:hover {
    border-bottom-color: var(--primary);
    text-shadow: 0 0 8px rgba(var(--primary-rgb), 0.2);
}

/* ── Images in Posts ── */
.post-card__body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--border);
    margin: 12px 0;
    transition: all 0.3s ease;
}
.post-card__body img:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    transform: scale(1.01);
}

/* ── Sidebar Card Hover Lift ── */
.sidebar-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.sidebar-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

/* ── Sidebar Link Slide Effect ── */
.sidebar-link {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.sidebar-link:hover {
    transform: translateX(4px);
    background: rgba(var(--primary-rgb), 0.08);
}
.sidebar-link:hover i {
    opacity: 1;
    transform: scale(1.1);
}
.sidebar-link i {
    transition: all 0.25s ease;
}

/* ── Reaction Chip Bounce ── */
.reaction-chip {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.reaction-chip:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15);
}
.reaction-chip:active {
    transform: scale(0.95);
}

/* ── Emoji Picker Bounce ── */
.reaction-emoji {
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.reaction-emoji:hover {
    transform: scale(1.3) translateY(-2px);
}
.reaction-emoji:active {
    transform: scale(1.1);
}

/* ── Filter Pill Active Glow ── */
.filter-pill--active {
    box-shadow: 0 0 12px rgba(var(--primary-rgb), 0.15);
}

/* ── Pagination Enhanced ── */
.page-link-custom {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.page-link-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15);
}
.page-link-custom.active {
    box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.35);
}
.page-link-custom:active {
    transform: translateY(0);
}

/* ── New Topic Button Pulse ── */
.btn-new-topic {
    position: relative;
    overflow: hidden;
}
.btn-new-topic::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}
.btn-new-topic:hover::after {
    opacity: 1;
}
.btn-new-topic:active {
    transform: translateY(0) scale(0.97);
}

/* ── Tag Badge Enhanced ── */
.tag-badge {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.tag-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.15);
}

/* ── Breadcrumb Link Underline Animation ── */
.breadcrumb-custom a {
    position: relative;
}
.breadcrumb-custom a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--primary);
    transition: width 0.3s ease;
}
.breadcrumb-custom a:hover::after {
    width: 100%;
}
.breadcrumb-custom a:hover {
    opacity: 1;
}

/* ── Forum Hero Improved Gradient ── */
.forum-hero {
    background: linear-gradient(135deg,
        rgba(var(--primary-rgb), 0.12) 0%,
        rgba(var(--primary-rgb), 0.12) 50%,
        rgba(var(--primary-rgb), 0.06) 100%);
}

/* ── Reply Section Focus Glow ── */
.reply-textarea:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1), 0 4px 16px rgba(var(--primary-rgb), 0.08);
}

/* ── Action Pill Glow ── */
.action-pill.active {
    box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.12);
}

/* ── Solved Badge Glow ── */
.solved-badge {
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.15);
    transition: all 0.3s ease;
}

/* ── Tooltip-style role badges ── */
.post-card__role {
    transition: all 0.2s ease;
}
.post-card__role--admin {
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.2);
}
.post-card__role--mod {
    box-shadow: 0 0 8px rgba(34, 197, 94, 0.2);
}

/* ── User Badge (online users) Enhanced ── */
.user-badge {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.online-user-chip {
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.online-user-chip:hover {
    transform: none;
    box-shadow: none;
}

/* ── Stat Card Numbered Stagger Delay (AOS supplements) ── */
.stat-card:nth-child(1) { transition-delay: 0s; }
.stat-card:nth-child(2) { transition-delay: 0.05s; }
.stat-card:nth-child(3) { transition-delay: 0.1s; }
.stat-card:nth-child(4) { transition-delay: 0.15s; }

/* ── Category Card Accent Top Bar ── */
.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transition: height 0.3s ease;
    border-radius: 1.25rem 1.25rem 0 0;
    opacity: 0.6;
}
.category-card {
    position: relative;
    overflow: hidden;
}
.category-card:hover::before {
    height: 3px;
}

/* ── Scrollbar Gutter Stability ── */
html {
    scrollbar-gutter: stable;
}

/* ── Smooth Transitions on Theme Change ── */
body,
.breadcrumb-custom,
.forum-hero,
.stat-card,
.category-card,
.board-item,
.sidebar-card,
.topic-row,
.post-card,
.reply-section,
.filter-pill,
.page-link-custom,
.online-box {
    transition-property: background-color, border-color, color, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

/* ── Print Styles ── */
@media print {
    .bg-canvas,
    .css-particles,
    .forum-sidebar,
    .forum-toolbar,
    .filter-bar,
    .reply-section,
    .pagination-bar,
    .post-card__footer,
    .topic-actions-bar,
    .action-pill,
    .btn-new-topic {
        display: none !important;
    }
    .forum-layout {
        grid-template-columns: 1fr;
    }
    .post-card,
    .topic-row,
    .category-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    body {
        background: white;
        color: black;
    }
}

/* ── Reduced Motion Preference ── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    .css-particles { display: none; }
    .forum-hero::before { animation: none; }
    .category-header::after { animation: none; }
}

/* ── Scroll-to-Top Button ── */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.35);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}
.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(var(--primary-rgb), 0.5);
}
.scroll-to-top:active {
    transform: translateY(0) scale(0.95);
}

/* ── Loading Skeleton ── */
.skeleton {
    background: linear-gradient(90deg,
        rgba(var(--primary-rgb), 0.06) 25%,
        rgba(var(--primary-rgb), 0.12) 50%,
        rgba(var(--primary-rgb), 0.06) 75%);
    background-size: 200% 100%;
    animation: skeletonShimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}
@keyframes skeletonShimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Online Indicator Pulse ── */
@keyframes onlinePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 4px rgba(34, 197, 94, 0); }
}
.user-badge i {
    animation: onlinePulse 2s ease-in-out infinite;
    border-radius: 50%;
}
.online-user-chip i { border-radius: 50%; }

/* ── Stats Grid Responsive Enhancement ── */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .stat-card {
        padding: 1.25rem;
    }
    .stat-number {
        font-size: 1.5rem;
    }
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
    }
}
@media (max-width: 380px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   COMPREHENSIVE RESPONSIVE FIXES
   ============================================ */

/* ── 640px: Tablets & Small Landscape ── */
@media (max-width: 640px) {
    .container {
        padding: 0 14px;
    }
    .content-wrapper {
        padding: 1.25rem 0;
    }
    .forum-hero {
        padding: 1.5rem 1.25rem;
        border-radius: 1rem;
        margin-bottom: 1.25rem;
    }
    .forum-hero h1 {
        font-size: 1.4rem;
    }
    .forum-hero p {
        font-size: 0.875rem;
    }
    .page-header {
        padding: 25px 20px;
        border-radius: 14px;
    }
    .page-header h1 {
        font-size: 1.6rem;
    }
    .page-header p {
        font-size: 0.95rem;
    }
    .category-header {
        padding: 1rem 1.25rem;
    }
    .category-title {
        font-size: 1.15rem;
        gap: 0.75rem;
    }
    .category-icon {
        width: 40px;
        height: 40px;
        font-size: 1.05rem;
        border-radius: 0.75rem;
    }
    .board-item {
        padding: 1.25rem 1.25rem;
        gap: 1rem;
    }
    .board-icon-wrapper {
        width: 44px;
        height: 44px;
        min-width: 44px;
        font-size: 1.2rem;
    }
    .board-title {
        font-size: 1rem;
    }
    .board-last {
        display: none;
    }
    /* Recent topic item — hide last-reply, reduce sizes */
    .topic-last-reply {
        display: none;
    }
    .recent-topic-item {
        gap: 1rem;
        padding: 1.25rem 1.25rem;
    }
    .topic-icon-wrapper {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        border-radius: 0.75rem;
    }
    .topic-title-recent {
        font-size: 1rem;
    }
    .topic-meta-recent {
        font-size: 0.8rem;
        gap: 0.6rem;
    }
    /* Category desc — hide on narrow */
    .category-desc {
        display: none;
    }
    /* Category header — simpler flex */
    .category-header {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    .breadcrumb-custom {
        padding: 10px 14px;
        font-size: 0.8rem;
        border-radius: 12px;
    }
    .breadcrumb-current {
        max-width: 180px;
    }
    .sidebar-card__title {
        padding: 10px 12px;
        font-size: 0.75rem;
    }
    .sidebar-card__body {
        padding: 10px 12px;
    }
    .topic-header {
        margin-bottom: 14px;
        padding-bottom: 12px;
    }
    .topic-title {
        font-size: 1.25rem;
    }
    .reply-section {
        padding: 16px;
        border-radius: 10px;
    }
    .form-container, .forum-new-topic .card {
        padding: 25px 20px;
        border-radius: 14px;
    }
    .form-title {
        font-size: 1.5rem;
    }
    .search-header {
        padding: 25px 15px;
    }
    .search-title {
        font-size: 1.4rem;
    }
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }
}

/* ── 480px: Small Phones ── */
@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    .forum-hero {
        padding: 1.25rem 1rem;
        border-radius: 0.75rem;
    }
    .forum-hero h1 {
        font-size: 1.2rem;
    }
    .forum-hero h1 .me-3 { margin-right: 0.5rem !important; }
    /* Recent topic items — compact */
    .recent-topic-item {
        gap: 0.75rem;
        padding: 1rem;
    }
    .topic-icon-wrapper {
        width: 34px;
        height: 34px;
        font-size: 0.85rem;
        border-radius: 8px;
    }
    .topic-title-recent {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }
    .topic-meta-recent {
        font-size: 0.72rem;
        gap: 0.5rem;
    }
    /* Toolbar actions — compact */
    .forum-toolbar-actions {
        gap: 5px;
        flex-wrap: wrap;
    }
    .forum-toolbar-actions a {
        font-size: 0.75rem;
        padding: 6px 10px;
    }
    .page-header {
        padding: 20px 15px;
        border-radius: 12px;
    }
    .page-header h1 {
        font-size: 1.3rem;
    }
    .category-header {
        padding: 0.875rem 1rem;
    }
    .category-title {
        font-size: 1.05rem;
    }
    .category-icon {
        width: 36px;
        height: 36px;
        font-size: 0.95rem;
    }
    .board-item {
        padding: 1rem;
        gap: 0.75rem;
    }
    .board-icon-wrapper {
        width: 38px;
        height: 38px;
        min-width: 38px;
        font-size: 1rem;
        border-radius: 0.625rem;
    }
    .board-title {
        font-size: 0.9rem;
    }
    .board-description {
        font-size: 0.8rem;
        -webkit-line-clamp: 2;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .board-meta {
        gap: 0.75rem;
    }
    .meta-item {
        font-size: 0.75rem;
    }
    .breadcrumb-custom {
        padding: 8px 10px;
        font-size: 0.75rem;
        gap: 5px;
        border-radius: 10px;
        margin-bottom: 14px;
    }
    .breadcrumb-current {
        max-width: 140px;
        font-size: 0.75rem;
    }
    .breadcrumb-sep {
        font-size: 0.55rem;
    }
    .topic-title {
        font-size: 1.1rem;
    }
    .topic-info-bar {
        font-size: 0.7rem;
        gap: 6px;
    }
    .topic-tags {
        gap: 4px;
    }
    .tag-badge {
        font-size: 0.7rem;
        padding: 2px 8px;
    }
    .topic-actions-bar {
        gap: 5px;
    }
    .action-pill {
        font-size: 0.72rem;
        padding: 5px 10px;
        gap: 4px;
    }
    .post-card {
        padding: 12px;
        border-radius: 10px;
    }
    .post-card__avatar {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }
    .post-card__username {
        font-size: 0.8rem;
    }
    .post-card__role {
        font-size: 0.6rem;
        padding: 1px 6px;
    }
    .post-card__body {
        font-size: 0.85rem;
        line-height: 1.6;
    }
    .post-card__footer {
        gap: 4px;
        margin-top: 10px;
    }
    .post-action {
        font-size: 0.7rem;
        padding: 4px 7px;
        gap: 3px;
    }
    .reply-textarea {
        min-height: 90px;
        padding: 10px;
        font-size: 0.85rem;
    }
    .reply-captcha {
        flex-wrap: wrap;
        gap: 6px;
    }
    .reply-captcha img {
        height: 32px;
    }
    .reply-captcha input {
        width: 80px;
        padding: 6px 10px;
        font-size: 0.8rem;
    }
    .filter-pills {
        gap: 4px;
    }
    .filter-pill {
        font-size: 0.72rem;
        padding: 5px 10px;
    }
    .sort-select {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    .btn-new-topic {
        font-size: 0.8rem;
        padding: 8px 14px;
    }
    .stat-card {
        padding: 1rem;
        border-radius: 1rem;
    }
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
        margin-bottom: 0.75rem;
    }
    .stat-number {
        font-size: 1.3rem;
    }
    .stat-label {
        font-size: 0.75rem;
        letter-spacing: 0.5px;
    }
    .page-link-custom {
        min-width: 34px;
        height: 34px;
        padding: 0 8px;
        font-size: 0.85rem;
    }
    .pagination-bar {
        gap: 5px;
    }
    .empty-state {
        padding: 2.5rem 1rem;
    }
    .empty-icon {
        font-size: 3rem;
    }
    .empty-title {
        font-size: 1.2rem;
    }
    .online-box {
        padding: 1.25rem;
    }
    .online-title {
        font-size: 1rem;
    }
    .user-badge {
        padding: 0.375rem 0.75rem;
        font-size: 0.8rem;
    }
    .forum-modal__box {
        padding: 20px;
        border-radius: 16px;
        max-width: none;
        margin: 10px;
    }
    .forum-modal__header h3 {
        font-size: 1rem;
    }
    .forum-modal {
        padding: 10px;
    }
    .form-container, .forum-new-topic .card {
        padding: 20px 14px;
        margin: 20px 0;
    }
    .form-title {
        font-size: 1.3rem;
    }
    .search-header {
        padding: 20px 12px;
    }
    .search-title {
        font-size: 1.2rem;
    }
    .search-input {
        padding: 14px 50px 14px 15px;
        font-size: 0.9rem;
    }
    .search-btn {
        padding: 10px 20px;
    }
    .filter-tabs {
        gap: 6px;
    }
    .filter-tab {
        padding: 7px 14px;
        font-size: 0.8rem;
    }
    .result-item {
        padding: 14px;
        border-radius: 10px;
    }
    .result-title {
        font-size: 1rem;
    }
    .result-meta {
        font-size: 0.78rem;
        gap: 10px;
    }
    .guidelines {
        padding: 16px;
    }
}

/* ── 360px: Very Small Phones ── */
@media (max-width: 360px) {
    .container {
        padding: 0 8px;
    }
    .forum-hero h1 {
        font-size: 1.05rem;
    }
    .page-header h1 {
        font-size: 1.15rem;
    }
    .topic-row {
        padding: 10px;
    }
    .topic-row__icon {
        width: 30px;
        height: 30px;
        font-size: 0.75rem;
        border-radius: 8px;
    }
    .topic-row__title {
        font-size: 0.85rem;
    }
    .topic-row__meta {
        font-size: 0.68rem;
        gap: 6px;
    }
    .breadcrumb-current {
        max-width: 100px;
    }
    .post-card__body {
        font-size: 0.82rem;
    }
    .post-card__body blockquote {
        padding: 8px 10px;
        margin: 10px 0;
    }
    .reply-section {
        padding: 10px;
    }
    .btn-new-topic {
        font-size: 0.75rem;
        padding: 7px 12px;
    }
    .forum-modal__box {
        padding: 16px;
        border-radius: 14px;
    }
    .forum-modal {
        padding: 6px;
    }
    .category-title {
        font-size: 0.95rem;
    }
    .category-icon {
        width: 32px;
        height: 32px;
        font-size: 0.85rem;
    }
    .board-item {
        padding: 0.875rem;
    }
    .board-icon-wrapper {
        width: 34px;
        height: 34px;
        min-width: 34px;
        font-size: 0.9rem;
    }
    .recent-topic-item {
        gap: 0.5rem;
        padding: 0.75rem;
    }
    .topic-icon-wrapper {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
        border-radius: 6px;
    }
    .topic-title-recent {
        font-size: 0.82rem;
    }
    .topic-meta-recent {
        font-size: 0.65rem;
    }
    .forum-toolbar-actions a {
        font-size: 0.7rem;
        padding: 5px 8px;
        gap: 4px;
    }
    .stat-card {
        padding: 0.875rem;
    }
    .stat-icon {
        width: 38px;
        height: 38px;
        font-size: 1rem;
        margin-bottom: 0.5rem;
    }
    .stat-number {
        font-size: 1.1rem;
    }
    .stat-label {
        font-size: 0.68rem;
    }
}